Trypan blue staining can be used to discriminate between viable and dead cells and determine the number of viable cells present in a cell suspension.
https://www.creative-bioarray.com/support/trypan-blue-staining-assay.htm
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the answer to that question is a vector
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That's not all: chickens are close relations of dinosaurs, and genetic patterns in the brains of birds that learn new calls show remarkable similarities to humans. These findings stem from a project that sequenced genes from 48 bird species and then used several months of supercomputing time to analyze relationships.
I believe it is A have a great day
Can you repost the question, the lab sheet isn’t there :/